· National
· GR 509
Strenuous
Grande Traversée du Jura
📏
144.5 km
Distance
⏱
35h 57min
Est. duration
⛰
Strenuous
Difficulty
➡
Linear
Route type
Grande Traversée du Jura is a 144.5 km National Hiking hiking route.
Covering 144.5 km, this is a true long-distance trail best approached as a multi-day journey through varied terrain.
This linear trail moves from one end to the other without looping back. A return journey by transport — or retracing the path — is needed to get back to the start. The trail is officially waymarked as GR 509, so look out for the trail markers along the way.
This route is part of the National Walking Network (NWN) — a flagship trail maintained to national standards, often following scenic or historically significant corridors.
Elevation Profile
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Elevation data from SRTM via OpenTopoData (open dataset).
Map
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Waypoints
5 points along the routeA
Start
· Les Rousses
B
Finish
· Culoz
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Frequently Asked Questions
How long is the Grande Traversée du Jura hiking route?
Grande Traversée du Jura is 144.5 km long.
How much time should I allow for Grande Traversée du Jura?
Most walkers allow around 35h 57min for Grande Traversée du Jura at a comfortable pace.
Is Grande Traversée du Jura a circular or linear route?
Grande Traversée du Jura is a linear route, not a loop. It runs from Les Rousses to Culoz. Return transport from the finish point is recommended.
Where does Grande Traversée du Jura start?
Grande Traversée du Jura starts at Les Rousses.
Is Grande Traversée du Jura suitable for beginners?
Grande Traversée du Jura is best suited to experienced, fit hikers. It is not suitable for beginners.
Is Grande Traversée du Jura part of a larger trail network?
Yes, Grande Traversée du Jura is part of the National Walking Network (NWN), connecting this route to a wider network of long-distance hiking trails.